I know the below can be done. But how fast can a 500k e-mail be decrypted
via smart card? Consumers have to be careful when they purchase stuff like
this.

Rgrds,
Wong.

> -----Original Message-----
> From: Myllym�ki Sakari [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, October 05, 1999 4:57 PM
> To: 'C.M. Wong'; [EMAIL PROTECTED]
> Subject: RE: Private Wire Gateway
>
>
> No problem really. There is no need to have all the data being
> en/decrypted
> in the cryptodevice (smartcard, clipper chip or whatever) at the
> same time.
> The crypto algorithm on the device acts on either data blocks (eg 64-bits
> for DES) or bit stream. so you need only move data stream in and
> out of the
> device. The amount of data  en/decrypted can be as large as needed.
>
> Sakari
>
> > -----Original Message-----
> > From:       C.M. Wong [SMTP:[EMAIL PROTECTED]]
> > Sent:       Friday, October 01, 1999 7:41 AM
> > To: [EMAIL PROTECTED]
> > Subject:    RE: Private Wire Gateway
> >
> > And if you think carefully about it, if the private key is needed to
> > decrypt
> > a file/message, that's where the problem comes in... since all packets
> > have
> > to go in the smart card. A big file/or e-mail message would be
> a problem.
> > I'm no app developer.. people may argue that there might be
> sucure ways of
> > getting the private key out blah, blah. But the fact is, if it is so we
> > might as well use floppies then <g>.
> >
> > Rgrds,
> > Wong.
> >
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of Bennett Todd
> > > Sent: Thursday, September 23, 1999 10:31 PM
> > > To: Fabio Rocha
> > > Cc: [EMAIL PROTECTED]
> > > Subject: Re: Private Wire Gateway
> > >
> > >
> > > 1999-09-23-09:59:08 Fabio Rocha:
> > > > But I am not only looking for VPN tunneling, that I would be
> > > able to do with
> > > > IPSec on cisco routers as you mentioned.
> > > >
> > > > What I really need is strong user authentication. So we thought
> > > in a product
> > > > based on public key cryptography... Private Wire can store the
> > > user private
> > > > key on a password protected smartcard, we consider that strong
> > > enough for
> > > > our needs. This way, an intruder would have to steal a smart
> > > card and also
> > > > the user password which protect the keys inside.
> > > >
> > > > We are open to select another product with the same
> > > characteristics... Do
> > > > you have good experiences with any?
> > >
> > > I've not looked at smartcards, don't know what's available for them. I
> > > personally strongly prefer hardened hosts; using an
> > > allegedly-hardened card
> > > when the host you plug it into cannot be presumed secure just
> > > isn't a formula
> > > for success.
> > >
> > > I tend to use ssh to let users tunnel in with strong auth and crypto.
> > >
> > > As ssh is open source, if there's a smart card implementation
> you like,
> > I
> > > wouldn't think it'd be hard to graft it in to ssh. And for all I
> > > know people
> > > might have grafted smart cards into IPSec tunneling.
> > >
> > > -Bennett
> > > -
> > > [To unsubscribe, send mail to [EMAIL PROTECTED] with
> > > "unsubscribe firewalls" in the body of the message.]
> >
> > -
> > [To unsubscribe, send mail to [EMAIL PROTECTED] with
> > "unsubscribe firewalls" in the body of the message.]

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